233142131402 has 4 divisors (see below), whose sum is σ = 349713197106. Its totient is φ = 116571065700.

The previous prime is 233142131399. The next prime is 233142131423. The reversal of 233142131402 is 204131241332.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 232005025561 + 1137105841 = 481669^2 + 33721^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58285532849 + ... + 58285532852.

Almost surely, 2^233142131402 is an apocalyptic number.

233142131402 is a deficient number, since it is larger than the sum of its proper divisors (116571065704).

233142131402 is a wasteful number, since it uses less digits than its factorization.

233142131402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116571065703.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 233142131402 its reverse (204131241332), we get a palindrome (437273372734).

The spelling of 233142131402 in words is "two hundred thirty-three billion, one hundred forty-two million, one hundred thirty-one thousand, four hundred two".